diff --git a/PlaylistShared.Api/Program.cs b/PlaylistShared.Api/Program.cs
index 9260048..3f2eb80 100644
--- a/PlaylistShared.Api/Program.cs
+++ b/PlaylistShared.Api/Program.cs
@@ -9,6 +9,7 @@ using PlaylistShared.Api.Entities;
 using PlaylistShared.Api.Services;
 using System.IdentityModel.Tokens.Jwt;
 using System.Text;
+using System.Text.Json.Serialization;
 
 namespace PlaylistShared.Api;
 
@@ -113,7 +114,11 @@ public class Program
             });
         });
 
-        builder.Services.AddControllers();
+        builder.Services.AddControllers()
+            .AddJsonOptions(options =>
+            {
+                options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());
+            });
         builder.Services.AddEndpointsApiExplorer();
         builder.Services.AddSwaggerGen();
 
diff --git a/PlaylistShared.Pwa/Components/SharedPlaylist/AddTrackSection.razor b/PlaylistShared.Pwa/Components/SharedPlaylist/AddTrackSection.razor
index 7a91edc..c5c2248 100644
--- a/PlaylistShared.Pwa/Components/SharedPlaylist/AddTrackSection.razor
+++ b/PlaylistShared.Pwa/Components/SharedPlaylist/AddTrackSection.razor
@@ -93,7 +93,7 @@
         _isSearching = true;
         try
         {
-            var url = $"/api/yandexsearch/tracks?query={Uri.EscapeDataString(query)}&type={Uri.EscapeDataString(type.ToString())}&limit=20";
+            var url = $"/api/yandexsearch/tracks?query={Uri.EscapeDataString(query)}&searchType={Uri.EscapeDataString(type.ToString())}&limit=20";
             if (!string.IsNullOrEmpty(ShareToken))
                 url += $"&shared_id={Uri.EscapeDataString(ShareToken)}";
             if (byId)
diff --git a/PlaylistShared.Shared/Enums/EditPermission.cs b/PlaylistShared.Shared/Enums/EditPermission.cs
index a11ae80..de17006 100644
--- a/PlaylistShared.Shared/Enums/EditPermission.cs
+++ b/PlaylistShared.Shared/Enums/EditPermission.cs
@@ -1,6 +1,9 @@
-namespace PlaylistShared.Shared.Enums;
+using System.Text.Json.Serialization;
+
+namespace PlaylistShared.Shared.Enums;
 
 /// <summary>Кто может выполнять действие (добавление/удаление).</summary>
+[JsonConverter(typeof(JsonStringEnumConverter))]
 public enum EditPermission
 {
     /// <summary>Все, включая неавторизованных (но для выполнения действия нужна авторизация, так как API требует токен).</summary>
diff --git a/PlaylistShared.Shared/Enums/TrackSearchType.cs b/PlaylistShared.Shared/Enums/TrackSearchType.cs
index 00aa045..f4999c8 100644
--- a/PlaylistShared.Shared/Enums/TrackSearchType.cs
+++ b/PlaylistShared.Shared/Enums/TrackSearchType.cs
@@ -1,8 +1,11 @@
-namespace PlaylistShared.Shared.Enums;
+using System.Text.Json.Serialization;
+
+namespace PlaylistShared.Shared.Enums;
 
 /// <summary>
 /// Типы поиска треков в Яндекс.Музыке, которые можно указать при поисковом запросе.
 /// </summary>
+[JsonConverter(typeof(JsonStringEnumConverter))]
 public enum TrackSearchType
 {
     All,
diff --git a/PlaylistShared.Shared/Enums/ViewPermission.cs b/PlaylistShared.Shared/Enums/ViewPermission.cs
index f3213c8..0b0003f 100644
--- a/PlaylistShared.Shared/Enums/ViewPermission.cs
+++ b/PlaylistShared.Shared/Enums/ViewPermission.cs
@@ -1,6 +1,9 @@
-namespace PlaylistShared.Shared.Enums;
+using System.Text.Json.Serialization;
+
+namespace PlaylistShared.Shared.Enums;
 
 /// <summary>Кто может просматривать плейлист.</summary>
+[JsonConverter(typeof(JsonStringEnumConverter))]
 public enum ViewPermission
 {
     /// <summary>Все, включая неавторизованных.</summary>